EP 3676495 B1 20210602 - PRODUCTION METHOD, PISTON BLANK, PISTON AND AXIAL PISTON MACHINE HAVING SAID PISTON
Title (en)
PRODUCTION METHOD, PISTON BLANK, PISTON AND AXIAL PISTON MACHINE HAVING SAID PISTON
Title (de)
HERSTELLUNGSVERFAHREN, KOLBENROHLING, KOLBEN SOWIE AXIALKOLBENMASCHINE MIT DEM KOLBEN
Title (fr)
PROCÉDÉ DE FABRICATION, ÉBAUCHE DE PISTON, PISTON ET MACHINE À PISTONS AXIAUX AYANT CE PISTON
Publication
Application
Priority
- DE 102017119967 A 20170831
- DE 2018100729 W 20180822
Abstract (en)
[origin: WO2019042495A1] Axial piston machines are known that work as a pump and/or motor, wherein the axial piston machines have at least one axial piston. In relation to this, a production method is proposed comprising the method steps: producing an intermediate blank (7) of a piston (2), in particular an axial piston, for an axial piston machine (1) by means of extrusion, wherein the intermediate blank (7) has a shaft section (7b), a ball head section (7a) and a sealing section (7c), wherein the shaft section (7b) connects the ball head section (7a) to the sealing section (7c); and producing a piston blank (14) from the intermediate blank (7), wherein a through opening (15) is introduced into the intermediate blank (7) by means of machining, wherein the through opening (15) extends within the piston blank (7) in the longitudinal direction.
IPC 8 full level
F04B 1/12 (2020.01); F04B 27/08 (2006.01); F04B 53/14 (2006.01)
CPC (source: EP US)
B21K 1/18 (2013.01 - US); F04B 1/124 (2013.01 - EP); F04B 27/0878 (2013.01 - EP); F04B 53/14 (2013.01 - EP); B21K 1/185 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DE 102017119967 A1 20190228; BR 112019004951 A2 20190625; BR 112019004951 B1 20231107; CN 111033037 A 20200417; CN 111033037 B 20220510; DK 3676495 T3 20210809; EP 3676495 A1 20200708; EP 3676495 B1 20210602; US 11213880 B2 20220104; US 2020346278 A1 20201105; WO 2019042495 A1 20190307
DOCDB simple family (application)
DE 102017119967 A 20170831; BR 112019004951 A 20180822; CN 201880051415 A 20180822; DE 2018100729 W 20180822; DK 18764996 T 20180822; EP 18764996 A 20180822; US 201816643532 A 20180822